Revert "Initial checkin of AOSP Messaging app."

This reverts commit 461a34b466.

Change-Id: Iac4ca77eeaa94989e91dead49a7959c905bd3078

src/com/android/messaging/util/FileUtil.java

@@ -1,140 +0,0 @@
-/*
- * Copyright (C) 2015 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.android.messaging.util;
-
-import android.content.Context;
-import android.webkit.MimeTypeMap;
-
-import com.android.messaging.Factory;
-import com.android.messaging.R;
-import com.google.common.io.Files;
-
-import java.io.File;
-import java.io.IOException;
-import java.text.SimpleDateFormat;
-import java.util.Date;
-import java.util.Locale;
-
-public class FileUtil {
-    /** Returns a new file name, ensuring that such a file does not already exist. */
-    private static synchronized File getNewFile(File directory, String extension,
-            String fileNameFormat) throws IOException {
-        final Date date = new Date(System.currentTimeMillis());
-        final SimpleDateFormat dateFormat = new SimpleDateFormat(fileNameFormat);
-        final String numberedFileNameFormat = dateFormat.format(date) + "_%02d" + "." + extension;
-        for (int i = 1; i <= 99; i++) { // Only save 99 of the same file name.
-            final String newName = String.format(Locale.US, numberedFileNameFormat, i);
-            File testFile = new File(directory, newName);
-            if (!testFile.exists()) {
-                testFile.createNewFile();
-                return testFile;
-            }
-        }
-        LogUtil.e(LogUtil.BUGLE_TAG, "Too many duplicate file names: " + numberedFileNameFormat);
-        return null;
-    }
-
-    /**
-     * Creates an unused name to use for creating a new file. The format happens to be similar
-     * to that used by the Android camera application.
-     *
-     * @param directory directory that the file should be saved to
-     * @param contentType of the media being saved
-     * @return file name to be used for creating the new file. The caller is responsible for
-     *   actually creating the file.
-     */
-    public static File getNewFile(File directory, String contentType) throws IOException {
-        MimeTypeMap mimeTypeMap = MimeTypeMap.getSingleton();
-        String fileExtension = mimeTypeMap.getExtensionFromMimeType(contentType);
-
-        final Context context = Factory.get().getApplicationContext();
-        String fileNameFormat = context.getString(ContentType.isImageType(contentType)
-                ? R.string.new_image_file_name_format : R.string.new_file_name_format);
-        return getNewFile(directory, fileExtension, fileNameFormat);
-    }
-
-    /** Delete everything below and including root */
-    public static void removeFileOrDirectory(File root) {
-        removeFileOrDirectoryExcept(root, null);
-    }
-
-    /** Delete everything below and including root except for the given file */
-    public static void removeFileOrDirectoryExcept(File root, File exclude) {
-        if (root.exists()) {
-            if (root.isDirectory()) {
-                for (File file : root.listFiles()) {
-                    if (exclude == null || !file.equals(exclude)) {
-                        removeFileOrDirectoryExcept(file, exclude);
-                    }
-                }
-                root.delete();
-            } else if (root.isFile()) {
-                root.delete();
-            }
-        }
-    }
-
-    /**
-     * Move all files and folders under a directory into the target.
-     */
-    public static void moveAllContentUnderDirectory(File sourceDir, File targetDir) {
-        if (sourceDir.isDirectory() && targetDir.isDirectory()) {
-            if (isSameOrSubDirectory(sourceDir, targetDir)) {
-                LogUtil.e(LogUtil.BUGLE_TAG, "Can't move directory content since the source " +
-                        "directory is a parent of the target");
-                return;
-            }
-            for (File file : sourceDir.listFiles()) {
-                if (file.isDirectory()) {
-                    final File dirTarget = new File(targetDir, file.getName());
-                    dirTarget.mkdirs();
-                    moveAllContentUnderDirectory(file, dirTarget);
-                } else {
-                    try {
-                        final File fileTarget = new File(targetDir, file.getName());
-                        Files.move(file, fileTarget);
-                    } catch (IOException e) {
-                        LogUtil.e(LogUtil.BUGLE_TAG, "Failed to move files", e);
-                        // Try proceed with the next file.
-                    }
-                }
-            }
-        }
-    }
-
-    /**
-     * Checks, whether the child directory is the same as, or a sub-directory of the base
-     * directory.
-     */
-    private static boolean isSameOrSubDirectory(File base, File child) {
-        try {
-            base = base.getCanonicalFile();
-            child = child.getCanonicalFile();
-            File parentFile = child;
-            while (parentFile != null) {
-                if (base.equals(parentFile)) {
-                    return true;
-                }
-                parentFile = parentFile.getParentFile();
-            }
-            return false;
-        } catch (IOException ex) {
-            LogUtil.e(LogUtil.BUGLE_TAG, "Error while accessing file", ex);
-            return false;
-        }
-    }
-}